Central heat pumps

2,996 certified units by size, with the heat each size is certified to deliver at 5°F. Pick the size on your quote.

Central means ducted: split systems and packaged units.

Central heat pumps, by size class
Btunominal size · cooling	Tons	Units	Median heat at 47°FBtu/h · heating	Median heat at 5°FBtu/h · full speed	Median cold output% of 47°F rating
6,000	0.5	134	8,200	5,900	72%
9,000	0.75	35	9,000	5,600	62%
12,000	1	40	14,200	8,200	58%
18,000	1.5	339	18,000	13,000	72%
24,000	2	674	24,000	19,400	77%
30,000	2.5	399	30,000	21,350	70%
36,000	3	601	35,400	27,000	76%
42,000	3.5	291	44,000	33,000	70%
48,000	4	588	48,000	38,000	75%
54,000whole class	4.5	484	56,000	40,000	72%
60,000	5	36	56,000	28,700	52%

A size marked “whole class” has no list of its own for this cut; its link goes to the whole size class.

The share is heat output at 5°F divided by the 47°F rating. Tests use different compressor speeds.

By size